How To Insulate A Carport Ceiling. Insulating the ceiling of your garage involves the same process as insulating the walls. Uninsulated, it is as if you have a window ajar all year round.
About ten months ago, i was trying to figure out the best way to insulate the ceiling of our upstairs sleeping porch. David asks, my house attic is insulated, but i noticed that the attic over the carport is not insulated. Unlike the attic where ventilation is critical, here you want to air seal first with caulking, install 2 eps foam on the rim joist between each floor joist and finish around the edges with spray foam.
As you attach and secure the bats of insulation, make sure you do not cover up any of the electrical boxes that are mounted to the ceiling.
Firmly press the insulation into the joist bays and once you have reached the end of the joist bay you can cut the ends off with a utility knife or any sharp knife. Browse here to know in detail about spray foam insulation moisture problems. The rafter vents will prevent any cellulose insulation from blocking airflow into the soffit vents. Begin at the ends of the ceiling and work your way toward the center of the room.
